About the Authors
Dr. Timothy Trull is the Curator’s Professor of
Psychological Sciences and Byler Distinguished
Professor at the University of Missouri–Columbia.
He enjoys both teaching a variety of courses in clin-
ical psychology, particularly abnormal psychology
and clinical psychology, and supervising clinical
psychology graduate students in their research,
assessment, and clinical work. Tim earned his M.A.
and Ph.D. in clinical psychology at the University of
Kentucky. He is a co-author of theStructured Inter-
view for the Five-Factor Model of Personality(SIFFM),
which assesses both adaptive and maladaptive per-
sonality features. Tim publishes much of his research
in theJournal of Abnormal Psychology, Psychological
Assessment,and theJournal of Personality Disorders.Sponsored through grants
from the National Institute of Health, the National Institute on Alcohol
Abuse and Alcoholism, and the Borderline Personality Disorder Research
Foundation, his research projects include evaluating etiological models of
borderline personality disorder, exploring the relations between personality
disorders and substance use disorders, assessing genetic and environmental influ-
ences on personality and psychopathology, and using of ambulatory assessment
in clinical psychology. In addition to his work at the university, Tim is a mem-
ber of the scientific faculty at the Midwest Alcoholism Research Center
(MARC) and is a practicing clinical psychologist. He has won a number of
awards that include Outstanding Alumnus, University of Kentucky; the
Graduate Faulty Mentoring Award, University of Missouri; the Robert S.
Daniels Junior Faculty Teaching Award; and the Psi Chi Professor of
the Year. Tim is a Fellow of the American Psychological Association and the
Association for Psychological Science.
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